313 (number)

← 312 314 → 313
List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	Three hundred thirteen
Ordinal	313th (Three hundred thirteenth)
Factorization	prime
Prime	twin, palindromic
Roman numeral	CCCXIII
Binary	100111001₂
Octal	471₈
Duodecimal	221₁₂
Hexadecimal	139₁₆

313 is an integer following 312 and preceding 314. 313 is a:

prime number
twin prime with 311
centered square number
long prime
pythagorean prime
regular prime
palindromic prime in both decimal and binary.
truncatable prime
happy number
Armstrong number - in base 4 ( 3×4² + 1×4¹ + 3×4⁰ = 3³ + 1³ + 3³ )

Religious Significance

In Islam, 313 is the number of Muslims who fought in the Battle of Badr against Muhammad's, and by extension, Islam's, foes. It was a decisive Muslim victory against a force of over 1,000 other men: The Muslims lost only 14 men.

313 (number)

Religious Significance

See also